FIELD: measurement equipment.
SUBSTANCE: immersion tank is filled with water, pipes are moved through the tank, and ultrasonic testing of pipes is performed for example by means of piezoelectric converters; surface layer of water filling in the immersion tank and touching the tested surface of the pipe is moved by additional supply to the immersion tank of a water jet by means of a nozzle evenly spaced relative to the surface of the tested pipe, which is submerged into water to the level of surface water layer, through which water is supplied to the immersion tank in the pipe movement direction at speed Vw exceeding the pipe movement speed Vpipe and speed VH of all the rest water layers through the immersion tank throughout its depth H to exclude filling of the inner cavity of the pipe with water.
EFFECT: improving reliability and efficiency of ultrasonic testing of pipes.
2 cl, 2 dwg
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